U.S. President-elect Donald Trump has accused U.S. intelligence agencies of leaking claims that Russia has compromising information on him.In his first formal press conference since July of last year,... Trump said that, if true,... it would be a "tremendous blot on their reputation".Earlier,... the president-elect slammed the unsubstantiated allegations that Russia has video recordings of him with prostitutes and damaging information about his businesses.He singled out two news organizations in particular,... calling Buzzfeed "garbage" and CNN "fake news".For the first time, Trump briefly acknowledged that Russia had hacked Democratic Party computers and email accounts during the election.However,... moments later he said it may have been other countries or other people.